testmailserver.dk

📜 Historical scan 2026-09-01 04:29:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

testmailserver.dk is a .dk domain served by 2 nameservers (terin.ns.cloudflare.com, vida.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.193 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.awork.dk, alt1.mymailcheap.com and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vida.ns.cloudflare.com	108.162.192.236 172.64.32.236 173.245.58.236 2606:4700:50::adf5:3aec 2803:f800:50::6ca2:c0ec 2a06:98c1:50::ac40:20ec	vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com vida.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.4	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mail.awork.dk	54.36.54.85	mail.awork.dk	AS16276 OVH SAS
5	300s	alt1.mymailcheap.com	51.83.107.245	alt1.mymailcheap.com	AS16276 OVH SAS
10	300s	alt2.mymailcheap.com	158.69.83.225	alt2.mymailcheap.com	AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.171.4
🔶 Autoconfig	104.21.79.193

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4fc1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ab04	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.193,172.67.171.4 ech=AEX+DQBBEAAgACCr8f/kgg/pJ5FJI/NdUqTZ3Ld/9apU/Dx0zahJhfBWeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4fc1,2606:4700:3033::ac43:ab04

📝 TXT Records#

2 records 208ms

TXT Record
nms-domain-verification=123877645517
v=spf1 mx include:_spf.mymailcheap.com -all

✉️ SPF#

Policy	Record (testmailserver.dk)
-all (hard fail)	v=spf1 mx include:_spf.mymailcheap.com -all

📨 DMARC#

Policy	Record (_dmarc.testmailserver.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 10:23:06

www	104.21.79.193 172.67.171.4 2606:4700:3031::6815:4fc1 2606:4700:3033::ac43:ab04 (AS13335) (address records, no CNAME)
www vs bare domain	Same network testmailserver.dk: 104.21.79.193 172.67.171.4 2606:4700:3031::6815:4fc1 2606:4700:3033::ac43:ab04 (AS13335) www.testmailserver.dk: 104.21.79.193 172.67.171.4 2606:4700:3031::6815:4fc1 2606:4700:3033::ac43:ab04 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.testmailserver.dk	cWBRvyXHwmtRpAT2FtzyP3dE7uAJZuLOh6dgQQzS4Dg

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

9109ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411462311
Primary NS (MNAME)	terin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

43ms

48ms

60ms

AAAA

39ms

TXT

208ms

CAA

43ms

HTTPS

52ms

TLSA

105ms

SOA

0ms

MTA-STS

57ms

DNSSEC

9109ms

SRV

79ms

Total

9859ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 12:34:52	2469ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 06:35:19	868ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-16 06:06:12	1187ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-08 22:26:37	1361ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-01 04:29:14 shown	9859ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 12:56:38	1020ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-07 10:49:41	1784ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-16 02:38:43	2158ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-25 04:20:13	1798ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 17:44:46	696ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 14:40:59	1444ms	2 NS 2 A 3 MX	🔓 Insecure